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Finding the Fourth Proportional to 692.98, 954.24 and 496.15

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Solution

The fourth proportional to 692.98, 954.24 and 496.15 is: 683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.98 : 954.24 = 496.15 : x
  2. Step 2: Convert to fraction form
    692.98/954.24 = 496.15/x
  3. Step 3: Cross multiply
    692.98x = 954.24 × 496.15
  4. Step 4: Simplify right side
    692.98x = 473,446.18
  5. Step 5: Solve for x
    x = 473,446.18/692.98
  6. Step 6: Final answer
    x = 683.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.